I'm a retired statistician, here to tell you that statistical analysis is no way to determine who the greatest actor may be. First off, this kind of analysis puts Leonardo DiCaprio well above where film critics would place him, as I'm sure Leonardo would not even be in the conversation. Yes, he's been in some outstanding films and has even won an Oscar., but so did John Wayne and Adrien Brody, and it's doubtful these two would be considered great much less best actor of all time. Yet other one-time winners, such as Philli Seymour Hoffman and Forest Whitaker certainly could be. You also mention the wrong Hepburn. It should be Kathryn, not Audrey. And the complete omission of Humphrey Bogart shows how flawed your system is. Nice try, Daniel, but no cigar.